CN114919972A - A loading attachment for truckle bottom plate - Google Patents
A loading attachment for truckle bottom plate Download PDFInfo
- Publication number
- CN114919972A CN114919972A CN202210776528.2A CN202210776528A CN114919972A CN 114919972 A CN114919972 A CN 114919972A CN 202210776528 A CN202210776528 A CN 202210776528A CN 114919972 A CN114919972 A CN 114919972A
- Authority
- CN
- China
- Prior art keywords
- flow channel
- plate
- feeding
- caster
- framework
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 75
- 230000007246 mechanism Effects 0.000 claims description 58
- 239000000463 material Substances 0.000 claims description 43
- 238000010330 laser marking Methods 0.000 claims description 13
- 230000008093 supporting effect Effects 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 23
- 230000008569 process Effects 0.000 abstract description 17
- 238000012840 feeding operation Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005484 gravity Effects 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000010009 beating Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G11/00—Chutes
- B65G11/02—Chutes of straight form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
Abstract
The invention discloses a feeding device for a caster bottom plate, which integrates the feeding, front and back sorting and discharging of the caster bottom plate into a whole, realizes the automatic feeding operation process of the caster bottom plate, improves the feeding efficiency of the caster bottom plate, greatly reduces the workload of manual participation, and obviously improves the production and processing efficiency of the whole product of the caster bottom plate compared with the manual feeding operation mode.
Description
Technical Field
The invention relates to the technical field of caster bracket processing equipment, in particular to a feeding device for a caster bottom plate.
Background
The caster is a common product, and is usually installed at the bottom of furniture, a cart or a lathe, so that the furniture can be flexibly and conveniently moved. Casters typically include a support assembly and a tire rotatably mounted to the support assembly by an axle.
The caster bottom plate is a plate body which plays a role in supporting a foundation on the supporting assembly, and as shown in fig. 1, the caster bottom plate comprises a base plate A, wherein an arc-shaped part A-1 protruding out of one side of the outer part of the plate body is arranged at the center of the base plate A. In the process of producing, processing and assembling the caster base plate into the caster, some processes have special requirements on the surface orientation of the caster base plate. For example, in the marking process of the caster base plate, the arc-shaped part A-1 of the caster base plate is required to be positioned above, namely, an identification code is marked on the side end part of the caster base plate close to the arc-shaped part A-1, so that the later scanning and tracing can be realized. In the prior art, the marking operation process of the caster bottom plate is to manually cooperate with laser marking, namely, the feeding, marking and blanking of a single product are manually carried out, so that the efficiency is low; in addition, in the process of assembling the caster base plate into the caster, the loading, the assembling and the unloading of a single product still need to be carried out manually, and the production and processing efficiency of the whole product is seriously influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a feeding device for a caster bottom plate, which integrates the feeding, front and back sorting and discharging of the caster bottom plate, realizes the automatic feeding operation process of the caster bottom plate, improves the feeding efficiency of the caster bottom plate, greatly reduces the workload of manual participation, and obviously improves the production and processing efficiency of the whole product of the caster bottom plate compared with the manual feeding operation mode.
In order to achieve the purpose, the technical scheme of the invention is to design a feeding device for a caster bottom plate, which comprises a cabinet, wherein a feeding plate is obliquely arranged in front of the upper end of the cabinet, and the low end of the feeding plate is correspondingly connected with the feeding end of a feeding mechanism; the rear side of the upper end of the cabinet is provided with a first flow channel framework, the right end of a first flow channel on the first flow channel framework is correspondingly connected with the discharge end of the feeding mechanism, the outer part of the left side of the cabinet is provided with a front and back sorting mechanism, a third flow channel framework and a back flow channel framework, the feed end of the front and back sorting mechanism is correspondingly connected with the left end of the first flow channel, the right side of the lower end of the front and back sorting mechanism is correspondingly connected with the feed end of a return flow channel on the back flow channel framework, the discharge end of the return flow channel on the back flow channel framework is correspondingly connected with the space above a feed plate at the front end of the cabinet, the left side of the lower end of the front and back sorting mechanism is provided with the front flow channel framework, the discharge end of a second flow channel on the front flow channel framework is correspondingly connected with the feed end of a third flow channel on the third flow channel framework, the first flow channel framework is provided with a first transmission mechanism for transporting a caster bottom plate to pass through the first flow channel, and the front and back sorting mechanism is provided with a second transmission mechanism for transporting qualified sorted caster bottom plates to the feed end of the second flow channel, and the third flow channel framework is provided with a third transmission mechanism for transporting the caster bottom plates through the third flow channel.
According to the feeding device for the caster bottom plate, the feeding, the front and back sorting and the discharging of the caster bottom plate are integrated, so that the automatic feeding operation process of the caster bottom plate is realized, the feeding efficiency of the caster bottom plate is improved, the workload of manual participation is greatly reduced, and the production and processing efficiency of the whole product of the caster bottom plate is remarkably improved compared with a manual feeding operation mode.
The preferable technical scheme is that the feeding mechanism comprises a feeding cylinder, a plurality of fixing plates and a plurality of longitudinal push plates, the fixing plates are fixedly arranged between a left side plate and a right side plate of the cabinet at intervals in parallel, the longitudinal push plates are movably inserted into gaps between adjacent fixing plates in a one-to-one correspondence mode, the lower ends of the longitudinal push plates are fixedly connected into a whole, the upper ends of the fixing plates and the longitudinal push plates are in a slope descending trend from back to front in sequence, the feeding cylinder is longitudinally and fixedly arranged at the lower end of a rear cover plate of the cabinet, and the longitudinal push plate located at the last side is fixedly connected with the upper end of a piston rod of the feeding cylinder. Feed mechanism structural design is simple reasonable, and a plurality of fixed plates and a plurality of vertical push pedal upper end are the descending trend of slope shape from back to front in proper order to the in-process of vertical push pedal up-and-down motion is being promoted to the material loading cylinder, and the truckle bottom plate can rise step by step in the past backward finally gets into first runner, has realized the automatic material loading operation of truckle bottom plate.
According to a further preferable technical scheme, a plurality of T-shaped bearing supports are fixedly arranged on the rear side face of the longitudinal push plate on the rearmost side at intervals, penetrate through the longitudinal sliding groove in the rear cover plate and are in rolling contact with bearings at two ends of a cross rod of each T-shaped bearing support on the rear side face of the rear cover plate. The rolling supporting effect is realized between the longitudinal push plate and the rear cover plate of the cabinet through the bearing on the T-shaped bearing support, so that the stability of the feeding mechanism in the working process is improved.
The first transmission mechanism comprises a driving motor, a driving wheel, a plurality of first driven wheels and a first transmission belt, wherein the driving motor and the driving wheel are both arranged at the right end of the rear side surface of the first runner framework, the plurality of first driven wheels are arranged at the left end of the rear side surface of the first runner framework, the first transmission belt is arranged on the driving wheel and the plurality of first driven wheels in a tensioning manner, and the central shaft of the driving wheel is in transmission connection with the output shaft of the driving motor;
the front and back sorting mechanism comprises a material guide plate fixedly arranged on a left side plate of the cabinet, the second transmission mechanism comprises a universal joint connecting rod driving wheel, a second driven wheel and a second transmission belt, the universal joint connecting rod driving wheel is arranged at the right end of the rear side surface of the material guide plate, the second driven wheel is rotatably arranged at the left end of the rear side surface of the material guide plate, the second transmission belt is arranged on the universal joint connecting rod driving wheel and the second driven wheel in a tensioning manner, and the central shaft of the universal joint connecting rod driving wheel is in universal transmission connection with the central shaft of one first driven wheel in the first transmission mechanism;
the third transmission mechanism comprises a worm wheel, a transmission wheel, a third driven wheel and a third transmission belt, a first horizontal support plate is fixedly arranged on the outer side surface of the left side plate of the cabinet, the worm wheel is rotatably installed at the left end of the upper end surface of the first horizontal support plate, the rear end of the third flow channel framework is fixedly installed at the right end of the upper end surface of the first horizontal support plate, the transmission wheel is rotatably installed at the rear end of the third flow channel framework, the third driven wheel is rotatably installed at the front end of the third flow channel framework, the central shaft of the worm wheel is fixedly connected with the central shaft of the transmission wheel in a coaxial mode, the third transmission belt is tensioned and installed on the transmission wheel and the third driven wheel, and the worm wheel and the second transmission mechanism are in transmission fit with the worm structure at the lower end of the central shaft of the second driven wheel. First transmission device, second transmission device, third transmission device drive through a driving motor, and structural design is ingenious, compact reasonable, makes this marking device whole volume less, can not occupy too big place the space.
According to a further preferred technical scheme, the guide plate is obliquely and fixedly installed on a left side plate of the cabinet, a runner channel in the horizontal X-axis direction is formed in a high-position end located on the rear side of the guide plate, the front side surface of the second conveyor belt is correspondingly located in the runner channel, and a material supporting plate correspondingly located below the runner channel is fixedly arranged on the front side surface of the guide plate. The stock guide slope sets up for the truckle bottom plate that first runner flows can rely on self gravity gliding to the second transmission band, towards qualified truckle bottom plate through the second transmission band transportation get into the second runner in, towards unqualified truckle bottom plate continue to rely on self gravity gliding to the feed back runner in, the positive and negative when realizing the truckle bottom plate material loading is selected separately, lays the basis for the operating procedure on next step of truckle bottom plate.
According to a further preferable technical scheme, the bottom of the feed back runner on the reverse runner framework is obliquely arranged, the low-position end of the feed back runner penetrates through a left side plate of the cabinet and is communicated with a space above the feeding plate, a material ejecting plate and a push-pull air cylinder are hinged to the lower side of the left side plate of the cabinet, the upper end of the material ejecting plate is embedded in a material ejecting notch in the bottom of the feed back runner on the reverse runner framework, the upper end face of the material ejecting plate is flush with the upper surface of the bottom of the feed back runner, and the end part of a piston rod of the push-pull air cylinder is hinged to the middle of the lower end face of the material ejecting plate. The bottom slope setting of feed back runner on the reverse side runner skeleton for the truckle bottom plate that gets into in the feed back runner can rely on self gravity landing to the feed plate top, and simultaneously, push-and-pull cylinder periodically carries out the jack-up to the ejector pad, and accumulational truckle bottom plate can smooth landing to the feed plate top in the feed back runner that makes, effectively avoids piling up a large amount of truckle bottom plates in the feed back runner, ensures this loading attachment's work smoothness nature.
According to a further preferable technical scheme, a photoelectric sensor connected with a control system is installed on the upper side of the front end of the third flow channel skeleton. The photoelectric sensor plays a monitoring role on the caster bottom plates entering the third flow channel, when the caster bottom plates are arranged at the front end of the third flow channel, the photoelectric sensor sends a signal to the control system, the control system sends a pause instruction to the feeding cylinder in time, and after the caster bottom plates arranged in the third flow channel are evacuated, the control system sends a start instruction to the feeding cylinder, so that falling caused by the fact that a large number of caster bottom plates are accumulated in the first flow channel and the second flow channel is effectively avoided.
The technical scheme of further optimization is that a limit switch mounting plate is fixedly arranged on the left side edge or the right side edge of a rear cover plate of the cabinet, a longitudinal mounting groove is formed in the limit switch mounting plate, and a second proximity switch connected with a control system is mounted on the longitudinal mounting groove. The second proximity switch can monitor the longitudinal movement stroke of the longitudinal push plate, so that the mounting position of the second proximity switch can be flexibly adjusted according to the use requirement, and the flexible practicability of the feeding device is improved.
According to a further preferable technical scheme, a fourth flow channel extending towards the lower left side is fixedly arranged on the left side of the front end of a third flow channel framework, a second horizontal supporting plate is fixedly arranged on the right side of the front end of the third flow channel framework, a discharging cylinder corresponding to the fourth flow channel is installed on the second horizontal supporting plate, a limiting baffle is fixedly arranged at the front end of the third flow channel framework, a first proximity switch correspondingly located above the discharging end of the third flow channel on the third flow channel framework is installed on the limiting baffle, and the first proximity switch is connected with a control system. In the unloading process, the fourth flow channel plays a role in transitional guiding, so that the caster bottom plate can smoothly enter the product collecting box or flow to the next operation procedure, surface scratches or deformation caused by direct falling can be effectively avoided, and the smoothness of the product can be ensured; the first proximity switch can transmit the detected position information of the bottom plate of the caster to the control system, and then the control system sends an unloading instruction to the unloading cylinder to realize the automatic operation process of unloading.
The further preferred technical scheme is that the device also comprises a laser marking machine which is correspondingly arranged above the discharge end of a third flow channel on a third flow channel framework. Set up laser marking machine through the discharge end at this loading attachment, with the material loading of truckle bottom plate, positive and negative letter sorting, laser marking, unload integrated as an organic whole, realized the automatic mark operation flow of beating of truckle bottom plate, improved the material loading efficiency of truckle bottom plate, reduce artifical participation work load by a wide margin, show the mark efficiency of beating that has improved the whole product of truckle bottom plate for artifical material loading operation mode.
The invention has the advantages and beneficial effects that:
1. according to the feeding device for the caster bottom plate, the feeding, the front and back sorting and the discharging of the caster bottom plate are integrated, so that the automatic feeding operation process of the caster bottom plate is realized, the feeding efficiency of the caster bottom plate is improved, the workload of manual participation is greatly reduced, and the production and processing efficiency of the whole product of the caster bottom plate is remarkably improved compared with a manual feeding operation mode.
2. Feed mechanism structural design is simple reasonable, and a plurality of fixed plates and a plurality of vertical push pedal upper end are the descending trend of slope shape from back to front in proper order to the in-process of vertical push pedal up-and-down motion is being promoted to the material loading cylinder, and the truckle bottom plate can rise step by step in the past backward finally gets into first runner, has realized the automatic material loading operation of truckle bottom plate.
3. The rolling supporting effect is realized between the longitudinal push plate and the rear cover plate of the cabinet through the bearing on the T-shaped bearing support, so that the stability of the feeding mechanism in the working process is improved.
4. First transmission device, second transmission device, third transmission device drive through a driving motor, and structural design is ingenious, compact reasonable, makes this marking device whole volume less, can not occupy too big space of placing.
5. The stock guide slope sets up for the truckle bottom plate that first runner flows can rely on self gravity gliding to the second transmission band, towards qualified truckle bottom plate through the second transmission band transportation get into the second runner in, towards unqualified truckle bottom plate continue to rely on self gravity gliding to the feed back runner in, the positive and negative when realizing the truckle bottom plate material loading is selected separately, lays the basis for the operating procedure on next step of truckle bottom plate.
6. The bottom slope setting of feed back runner on the reverse side runner skeleton for the truckle bottom plate that gets into in the feed back runner can rely on self gravity landing to the feed plate top, and simultaneously, push-and-pull cylinder periodically carries out jack-up to the ejector pad, and accumulational truckle bottom plate can smooth landing to the feed plate top in the feed back runner that makes, effectively avoids piling up a large amount of truckle bottom plates in the feed back runner, ensures this loading attachment's work smoothness nature.
7. The photoelectric sensor plays a monitoring role in the caster bottom plates entering the third flow channel, when the caster bottom plates are arranged to the front end of the third flow channel, the photoelectric sensor sends a signal to the control system, the control system sends a pause instruction to the feeding cylinder in time, and after the caster bottom plates arranged in the third flow channel are evacuated, the control system sends a starting instruction to the feeding cylinder, so that the phenomenon that the caster bottom plates are accumulated in the first flow channel and the second flow channel in a large quantity to cause falling is effectively avoided.
8. The second proximity switch can monitor the longitudinal movement stroke of the longitudinal push plate, so that the mounting position of the second proximity switch can be flexibly adjusted according to the use requirement, and the flexible practicability of the feeding device is improved.
9. In the unloading process, the fourth flow channel plays a role in transition guiding, so that the caster bottom plate can smoothly enter the product collecting box or can be transferred to the next operation procedure, surface scratches or deformation caused by direct falling can be effectively avoided, and the smoothness of the product can be ensured; the first proximity switch can transmit the detected position information of the bottom plate of the caster to the control system, and then the control system sends an unloading instruction to the unloading cylinder to realize the automatic operation process of unloading.
10. Set up laser marking machine through the discharge end at this loading attachment, with the material loading of truckle bottom plate, positive and negative letter sorting, laser marking, unload as an organic whole, realized the automatic mark operation flow of beating of truckle bottom plate, improved the material loading efficiency of truckle bottom plate, reduce artifical participation work load by a wide margin, show the mark efficiency of beating that has improved the whole product of truckle bottom plate for artifical material loading operation mode.
Drawings
FIG. 1 is a perspective view of a caster base;
FIG. 2 is a schematic perspective view of a loading device for a caster base plate according to the present invention;
FIG. 3 is a schematic view of a left front side perspective view of the loading device for the caster base of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at H;
FIG. 5 is a schematic view of a right front side top down perspective view of the loading apparatus for caster mounts of the present invention;
FIG. 6 is a schematic view of the left rear elevational view of the loading device for the caster base of the present invention;
FIG. 7 is a schematic structural view of a conveying mechanism and a feeding mechanism; a
Fig. 8 is a partial enlarged view at W in fig. 7.
In the figure: 1. a cabinet; 1-1, a feeding plate; 1-2, left side plate; 1-3, a right side plate; 1-4, a rear cover plate; 1-5, a first horizontal support plate; 2. a feeding cylinder; 2-1, fixing plates; 2-2, a longitudinal push plate; 2-3, a T-shaped bearing support; 3. a first flow channel skeleton; 4. a stock guide; 4-1, a runner groove; 4-2, a material supporting plate; 5. a sorting mechanism; 6. a front runner skeleton; 7. a third flow channel skeleton; 7-1, a second horizontal support plate; 7-2, a limit baffle; 8. a reverse runner framework; 9. a fourth flow path; 10. a control system; 11. laser marking machine; 12. a photoelectric sensor; 13. a first proximity switch; 14. a discharge cylinder; 15. a material ejecting plate; 16. a push-pull cylinder; 17. a drive motor; 18. a driving wheel; 19. a first driven wheel; 20. a first conveyor belt; 21. a cardan link drive wheel; 22. a second driven wheel; 22-1, a worm structure; 23. a second conveyor belt; 24. a worm gear; and a shaft is output; 25. a driving wheel; 26. a third driven wheel; 27. a third conveyor belt; 28. a limit switch mounting plate; 29. a caster base plate; A. a substrate; a-1 and an arc part.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Examples
As shown in fig. 2 to 8, the invention relates to a feeding device for a caster bottom plate, which comprises a cabinet 1, wherein a feeding plate 1-1 is obliquely arranged at the front side of the upper end of the cabinet 1, and the low end of the feeding plate 1-1 is correspondingly connected with the feeding end of a feeding mechanism; a first flow channel framework 3 is arranged on the rear side of the upper end of the cabinet 1, the right end of a first flow channel on the first flow channel framework 3 is correspondingly connected with the discharge end of the feeding mechanism, a front-back separation mechanism 5, a third flow channel framework 7 and a back-side flow channel framework 8 are arranged outside the left side of the cabinet 1, the feed end of the front-back separation mechanism 5 is correspondingly connected with the left end of the first flow channel, the right side of the lower end of the front-back separation mechanism 5 is correspondingly connected with the feed end of a return flow channel on the back-side flow channel framework 8, the discharge end of the return flow channel on the back-side flow channel framework 8 is correspondingly connected with the space above a front-end feed plate 1-1 of the cabinet 1, a front-side flow channel framework 6 is arranged on the left side of the lower end of the front-side separation mechanism 5, the discharge end of a second flow channel on the front-side flow channel framework 6 is correspondingly connected with the feed end of a third flow channel on the third flow channel framework 7, a first transmission mechanism for conveying a caster bottom plate through the first flow channel is arranged on the first flow channel framework 3, and the front and back sorting mechanism 5 is provided with a second transmission mechanism for transporting qualified sorted caster bottom plates to the feed end of the second flow channel, and the third flow channel framework 7 is provided with a third transmission mechanism for transporting the caster bottom plates through the third flow channel.
Preferably, the feeding mechanism comprises a feeding cylinder 2, a plurality of fixing plates 2-1 and a plurality of longitudinal push plates 2-2, the fixing plates 2-1 are fixedly arranged between a left side plate 1-2 and a right side plate 1-3 of the cabinet 1 in parallel at intervals, the longitudinal push plates 2-2 are movably inserted into gaps between the adjacent fixing plates 2-1 one by one, the lower ends of the longitudinal push plates 2-2 are fixedly connected into a whole, the upper ends of the fixing plates 2-1 and the longitudinal push plates 2-2 are in a slope descending trend from back to front in sequence, the feeding cylinder 2 is longitudinally and fixedly arranged at the lower end of a rear cover plate 1-4 of the cabinet 1, and the longitudinal push plate 2-2 positioned at the last side is fixedly connected with the upper end of a piston rod of the feeding cylinder 2.
Further preferably, a plurality of T-shaped bearing supports 2-3 are fixedly arranged on the rear side face of the longitudinal push plate 2-2 positioned on the rearmost side at intervals, the T-shaped bearing supports 2-3 penetrate through the longitudinal sliding grooves in the rear cover plate 1-4, and bearings positioned at two ends of a cross rod of each T-shaped bearing support 2-3 are in rolling abutting connection with the rear side face of the rear cover plate 1-4.
Preferably, the first transmission mechanism comprises a driving motor 17, a driving wheel 18, a plurality of first driven wheels 19 and a first transmission belt 20, the driving motor 17 and the driving wheel 18 are both installed at the right end of the rear side of the first runner framework 3, the plurality of first driven wheels 19 are installed at the left end of the rear side of the first runner framework 3, the first transmission belt 20 is installed on the driving wheel 18 and the plurality of first driven wheels 19 in a tensioning manner, and the central shaft of the driving wheel 18 is in transmission connection with the output shaft of the driving motor 17;
the front and back sorting mechanism 5 comprises a material guide plate 4 fixedly arranged on a left side plate 1-2 of the cabinet 1, the second transmission mechanism comprises a universal joint connecting rod driving wheel 21, a second driven wheel 22 and a second transmission belt 23, the universal joint connecting rod driving wheel 21 is arranged at the right end of the rear side surface of the material guide plate 4, the second driven wheel 22 is rotatably arranged at the left end of the rear side surface of the material guide plate 4, the second transmission belt 23 is arranged on the universal joint connecting rod driving wheel 21 and the second driven wheel 22 in a tensioning manner, and the central shaft of the universal joint connecting rod driving wheel 21 is in universal transmission connection with the central shaft of a first driven wheel 19 in the first transmission mechanism;
the third transmission mechanism comprises a worm wheel 24, a transmission wheel 25, a third driven wheel 26 and a third transmission belt 27, a first horizontal supporting plate 1-5 is fixedly arranged on the outer side surface of a left side plate 1-2 of the cabinet 1, the worm wheel 24 is rotatably arranged at the left end of the upper end surface of the first horizontal supporting plate 1-5, the rear end of the third flow channel framework 7 is fixedly arranged at the right end of the upper end surface of the first horizontal supporting plate 1-5, the transmission wheel 25 is rotatably arranged at the rear end of the third flow channel framework 7, the third driven wheel 26 is rotatably arranged at the front end of the third flow channel framework 7, the central shaft of the worm wheel 24 is coaxially and fixedly connected with the central shaft of the transmission wheel 25, the third transmission belt 27 is installed on the transmission wheel 25 and the third driven wheel 26 in a tensioning way, and the worm wheel 24 is in transmission fit with the worm structure 22-1 at the lower end of the central shaft of the second driven wheel 22 in the second transmission mechanism.
Further preferably, the guide plate 4 is obliquely and fixedly installed on a left side plate 1-2 of the cabinet 1, a channel groove 4-1 in the horizontal X-axis direction is formed at a high-position end located at the rear side of the guide plate 4, the front side of the second conveyor belt 23 is correspondingly located in the channel groove 4-1, and a retainer plate 4-2 correspondingly located below the channel groove 4-1 is fixedly arranged on the front side of the guide plate 4.
Further preferably, the bottom of the return flow channel on the reverse side flow channel framework 8 is obliquely arranged, the low-position end of the return flow channel penetrates through the space above the left side plate 1-2 of the cabinet 1 and is communicated with the space above the feeding plate 1-1, the lower side of the left side plate 1-2 of the cabinet 1 is hinged with a material ejecting plate 15 and a push-pull cylinder 16, the upper end of the material ejecting plate 15 is embedded in a material ejecting groove at the bottom of the return flow channel on the reverse side flow channel framework 8, the upper end face of the material ejecting plate 15 is flush with the upper surface of the bottom of the return flow channel, and the end part of a piston rod of the push-pull cylinder 16 is hinged with the middle part of the lower end face of the material ejecting plate 15.
Further preferably, a photoelectric sensor 12 connected with the control system 10 is installed on the upper side of the front end of the third flow channel framework 7.
Further preferably, a limit switch mounting plate 28 is fixedly arranged on a left side edge or a right side edge of the rear cover plate 1-4 of the cabinet 1, a longitudinal mounting groove is formed in the limit switch mounting plate 28, and a second proximity switch connected with the control system 10 is mounted on the longitudinal mounting groove.
Further preferably, a fourth flow channel 9 extending to the lower left side is fixedly arranged on the left side of the front end of the third flow channel framework 7, a second horizontal support plate 7-1 is fixedly arranged on the right side of the front end of the third flow channel framework 7, a discharging cylinder 14 corresponding to the fourth flow channel 9 is mounted on the second horizontal support plate 7-1, a limit baffle 7-2 is fixedly arranged at the front end of the third flow channel framework 7, a first proximity switch 13 correspondingly positioned above the discharging end of the third flow channel on the third flow channel framework 7 is mounted on the limit baffle 7-2, and the first proximity switch 13 is connected with the control system 10.
Further preferably, the device further comprises a laser marking machine 11 correspondingly arranged above the discharge end of the third flow channel on the third flow channel framework 7.
Further preferably, the upper end surfaces of the plurality of fixing plates 2-1 and the upper end surfaces of the plurality of longitudinal push plates 2-2 are all of inclined plane structures with high front parts and low rear parts. The inclined plane structure that height was low after fixed plate up end and vertical push pedal up end were, can be so that form the cell body that can hold the truckle bottom plate of detaining between the vertical push pedal of fixed plate up end and rear side adjacent to help improving the truckle bottom plate from the past backward rise step by step and finally get into the efficiency in the first runner.
Further preferably, the control system 10 is fixedly installed at the upper end of the right side plate 1-3 of the cabinet 1. The operation convenience is improved.
The invention relates to a working principle of a feeding device for a caster bottom plate, which comprises the following steps:
the method comprises the following steps of stacking a caster bottom plate 29 to be marked on a feeding plate 1-1, starting a feeding control switch on a control system 10, and driving a longitudinal push plate 2-2 to reciprocate up and down by a piston rod of a feeding cylinder 2, so that the caster bottom plate 29 is pushed into a first flow channel on a first flow channel framework 3 from front to back step by step under the synergistic action of a fixed plate 2-1 and the longitudinal push plate 2-2; the first transmission belt 20 transmits the caster bottom plate 29 entering the first flow channel to the front side surface of the material guide plate 4, the caster bottom plate 29 with the arc-shaped part A-1 positioned below slides again to the upper part of the material feeding plate 1-1 through the material returning flow channel on the back flow channel framework 8, and the second transmission belt 23 transmits the caster bottom plate 29 with the arc-shaped part A-1 positioned above to the left end of the flow channel groove 4-1 and enters the third flow channel on the third flow channel framework 7 through the second flow channel on the front flow channel framework 6; the third conveyor belt 27 transports the caster bottom plate 29 entering the third flow channel to the position below the laser marking machine 11, the first proximity switch 13 detects a caster bottom plate 29 signal and transmits the caster bottom plate 29 signal to the control system 10, and the control system 10 starts the laser marking machine 11 to perform laser marking on one end of the upper side surface of the caster bottom plate 29; after the code printing is finished, a piston rod of the discharging cylinder 14 pushes the code printed caster bottom plate 29 into the fourth flow channel 9, and finally the caster bottom plate enters a finished product collecting box or is transferred to the next operation procedure;
when the photoelectric sensor 12 senses that the caster bottom plate 29 is stacked in the third flow channel on the third flow channel framework 7, a signal is sent to the control system 10, the control system 10 sends a pause instruction to the feeding cylinder 2 until the photoelectric sensor 12 senses that the stacking signal in the third flow channel on the third flow channel framework 7 disappears, and the control system 10 sends a starting instruction to the feeding cylinder 2, so that product stacking in the third flow channel is effectively avoided;
the piston rod of the push-pull cylinder 16 continuously circulates and intermittently extends and contracts, when the piston rod of the push-pull cylinder 16 extends, the ejector plate 15 is jacked up, so that the caster bottom plate 29 accumulated in the return flow channel on the back flow channel framework 8 is jacked up and slides to the upper side of the feeding plate 1-1, and product blockage in the return flow channel is effectively avoided.
According to the feeding device for the bottom plate of the caster, the feeding, the front and back sorting, the laser marking and the discharging of the bottom plate of the caster are integrated, so that the automatic marking operation process of the bottom plate of the caster is realized, the marking efficiency of the bottom plate of the caster is improved, the workload of manual participation is greatly reduced, and the production and processing efficiency of the whole product of the bottom plate of the caster is obviously improved.
The feeding device for the caster base plate can be used for laser coding of the caster base plate, can also be used for other processes of machining the caster base plate and assembly lines of other parts, and can improve the operation efficiency of feeding, front and back sorting and the like.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make various improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.
Claims (10)
1. The feeding device for the caster base plate is characterized by comprising a cabinet (1), wherein a feeding plate (1-1) is obliquely arranged at the front side of the upper end of the cabinet (1), and the low end of the feeding plate (1-1) is correspondingly connected with the feeding end of a feeding mechanism; a first flow channel framework (3) is arranged on the rear side of the upper end of the cabinet (1), the right end of a first flow channel on the first flow channel framework (3) is correspondingly connected with the discharge end of the feeding mechanism, a front and back sorting mechanism (5), a third flow channel framework (7) and a back flow channel framework (8) are arranged outside the left side of the cabinet (1), the feed end of the front and back sorting mechanism (5) is correspondingly connected with the left end of the first flow channel, the right side of the lower end of the front and back sorting mechanism (5) is correspondingly connected with the feed end of a return flow channel on the back flow channel framework (8), the discharge end of the return flow channel on the back flow channel framework (8) is correspondingly connected with the space above a feed plate (1-1) at the front end of the cabinet (1), a front flow channel framework (6) is arranged on the left side of the lower end of the front sorting mechanism (5), the discharge end of a second flow channel on the front flow channel framework (6) is correspondingly connected with the feed end of a third flow channel on the third flow channel framework (7), the automatic sorting machine is characterized in that a first transmission mechanism used for transporting the caster bottom plates through the first flow channel is arranged on the first flow channel framework (3), a second transmission mechanism used for transporting the sorted qualified caster bottom plates to the feeding end of the second flow channel is arranged on the front-back sorting mechanism (5), and a third transmission mechanism used for transporting the caster bottom plates through the third flow channel is arranged on the third flow channel framework (7).
2. The feeding device for the caster bottom plate as claimed in claim 1, wherein the feeding mechanism comprises a feeding cylinder (2), a plurality of fixing plates (2-1) and a plurality of longitudinal pushing plates (2-2), the fixing plates (2-1) are arranged and fixed between the left side plate (1-2) and the right side plate (1-3) of the cabinet (1) in parallel at intervals, the longitudinal pushing plates (2-2) are movably inserted into the gaps between the adjacent fixing plates (2-1) one by one, the lower ends of the longitudinal pushing plates (2-2) are fixedly connected into a whole, the upper ends of the fixing plates (2-1) and the longitudinal pushing plates (2-2) are in a descending slope shape from back to front in sequence, the feeding cylinder (2) is longitudinally and fixedly mounted at the lower end of the rear cover plate (1-4) of the cabinet (1), the longitudinal push plate (2-2) positioned at the rearmost side is fixedly connected with the upper end of the piston rod of the feeding cylinder (2).
3. The feeding device for the caster bottom plate as claimed in claim 2, wherein a plurality of T-shaped bearing supports (2-3) are fixedly arranged on the rear side of the longitudinal push plate (2-2) positioned at the rearmost side at intervals, the T-shaped bearing supports (2-3) penetrate through the longitudinal sliding grooves on the rear cover plate (1-4), and the bearings positioned at the two ends of the cross bar of the T-shaped bearing supports (2-3) are in rolling contact with the rear side of the rear cover plate (1-4).
4. The feeding device for the caster base plate as claimed in claim 1, wherein the first transmission mechanism comprises a driving motor (17), a driving wheel (18), a plurality of first driven wheels (19) and a first transmission belt (20), the driving motor (17) and the driving wheel (18) are both installed at the right end of the rear side of the first runner framework (3), the plurality of first driven wheels (19) are installed at the left end of the rear side of the first runner framework (3), the first transmission belt (20) is installed on the driving wheel (18) and the plurality of first driven wheels (19) in a tensioning manner, and the central shaft of the driving wheel (18) is in transmission connection with the output shaft of the driving motor (17);
the front and back sorting mechanism (5) comprises a material guide plate (4) fixedly arranged on a left side plate (1-2) of the cabinet (1), the second transmission mechanism comprises a universal joint connecting rod driving wheel (21), a second driven wheel (22) and a second transmission belt (23), the universal joint connecting rod driving wheel (21) is arranged at the right end of the rear side surface of the material guide plate (4), the second driven wheel (22) is rotatably arranged at the left end of the rear side surface of the material guide plate (4), the second transmission belt (23) is arranged on the universal joint connecting rod driving wheel (21) and the second driven wheel (22) in a tensioning mode, and the central shaft of the universal joint connecting rod driving wheel (21) is in universal transmission connection with the central shaft of one first driven wheel (19) in the first transmission mechanism;
the third transmission mechanism comprises a worm wheel (24), a transmission wheel (25), a third driven wheel (26) and a third transmission belt (27), a first horizontal support plate (1-5) is fixedly arranged on the outer side surface of a left side plate (1-2) of the cabinet (1), the worm wheel (24) is rotatably arranged at the left end of the upper end surface of the first horizontal support plate (1-5), the rear end of the third flow channel framework (7) is fixedly arranged at the right end of the upper end surface of the first horizontal support plate (1-5), the transmission wheel (25) is rotatably arranged at the rear end of the third flow channel framework (7), the third driven wheel (26) is rotatably arranged at the front end of the third flow channel framework (7), the central shaft of the worm wheel (24) is coaxially and fixedly connected with the central shaft of the transmission wheel (25), the third transmission belt (27) is tensioned on the transmission wheel (25) and the third driven wheel (26), the worm wheel (24) is in transmission fit with a worm structure (22-1) at the lower end of a central shaft of a second driven wheel (22) in the second transmission mechanism.
5. The feeding device for the caster bottom plate as claimed in claim 4, wherein the guide plate (4) is obliquely and fixedly installed on a left side plate (1-2) of the cabinet (1), a runner channel (4-1) located in the horizontal X-axis direction is formed at a high-position end located at the rear side of the guide plate (4), the front side of the second conveyor belt (23) is correspondingly located in the runner channel (4-1), and a material supporting plate (4-2) correspondingly located below the runner channel (4-1) is fixedly arranged at the front side of the guide plate (4).
6. The loading device for the caster bottom plate as claimed in claim 5, wherein the bottom of the return flow channel on the reverse side flow channel frame (8) is arranged obliquely, the low end of the return flow channel penetrates through the left side plate (1-2) of the cabinet (1) and is communicated with the space above the feeding plate (1-1), the lower side of the left side plate (1-2) of the cabinet (1) is hinged with a material ejecting plate (15) and a push-pull cylinder (16), the upper end of the material ejecting plate (15) is embedded in the material ejecting groove at the bottom of the return flow channel on the reverse side flow channel frame (8), the upper end surface of the material ejecting plate (15) is flush with the upper surface of the bottom of the return flow channel, and the end of the piston rod of the push-pull cylinder (16) is hinged with the middle part of the lower end surface of the material ejecting plate (15).
7. The feeding device for the caster base plate as claimed in claim 6, wherein the third flow channel frame (7) is provided with a photoelectric sensor (12) on the upper side of the front end thereof, and the photoelectric sensor is connected with the control system (10).
8. The feeding device for the caster base plate as claimed in claim 7, wherein a limit switch mounting plate (28) is fixedly arranged on the left edge or the right edge of the rear cover plate (1-4) of the cabinet (1), a longitudinal mounting groove is formed on the limit switch mounting plate (28), and a second proximity switch connected with the control system (10) is mounted on the longitudinal mounting groove.
9. The feeding device for the caster bottom plate as claimed in any one of claims 1 to 8, wherein a fourth flow channel (9) extending to the lower left side is fixedly arranged on the left side of the front end of the third flow channel framework (7), a second horizontal support plate (7-1) is fixedly arranged on the right side of the front end of the third flow channel framework (7), a discharging cylinder (14) corresponding to the fourth flow channel (9) is mounted on the second horizontal support plate (7-1), a limit baffle (7-2) is fixedly arranged on the front end of the third flow channel framework (7), a first proximity switch (13) correspondingly located above the discharging end of the third flow channel on the third flow channel framework (7) is mounted on the limit baffle (7-2), and the first proximity switch (13) is connected with the control system (10).
10. The loading device for the caster base as claimed in claim 9, further comprising a laser marking machine (11) disposed above the discharge end of the third runner correspondingly on the third runner skeleton (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210776528.2A CN114919972B (en) | 2022-07-04 | 2022-07-04 | Feeding device for caster bottom plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210776528.2A CN114919972B (en) | 2022-07-04 | 2022-07-04 | Feeding device for caster bottom plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114919972A true CN114919972A (en) | 2022-08-19 |
| CN114919972B CN114919972B (en) | 2024-02-23 |
Family
ID=82815724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210776528.2A Active CN114919972B (en) | 2022-07-04 | 2022-07-04 | Feeding device for caster bottom plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114919972B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204211094U (en) * | 2014-11-13 | 2015-03-18 | 成都多林电器有限责任公司 | A kind of high-frequency heating automatical feeding system |
| CN104444292A (en) * | 2014-12-09 | 2015-03-25 | 河北金环包装有限公司 | Feeding and finishing system and process of aluminum and plastic caps |
| CN105600386A (en) * | 2016-01-05 | 2016-05-25 | 苏州大学 | Small-size shaft component sorting device |
| CN106182517A (en) * | 2016-07-19 | 2016-12-07 | 东毓(宁波)油压工业有限公司 | A kind of intelligence feeding stripper apparatus control system |
| CN206870627U (en) * | 2017-06-30 | 2018-01-12 | 北京隆庆智能激光装备有限公司 | A kind of brake disc automatic detection marking device |
| CN109590734A (en) * | 2018-12-17 | 2019-04-09 | 苏州市全力自动化科技有限公司 | Full automatic car accessory spigot machine |
| CN109590759A (en) * | 2018-12-17 | 2019-04-09 | 苏州市全力自动化科技有限公司 | Full-automatic proportioning valve Skeleton assembly line |
| CN208963975U (en) * | 2018-08-21 | 2019-06-11 | 珠海市鑫茂源电子有限公司 | A kind of skeleton automatic feeding |
| CN209532438U (en) * | 2019-01-23 | 2019-10-25 | 晋江市福普机械设备有限公司 | Automate mark assembly line |
-
2022
- 2022-07-04 CN CN202210776528.2A patent/CN114919972B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204211094U (en) * | 2014-11-13 | 2015-03-18 | 成都多林电器有限责任公司 | A kind of high-frequency heating automatical feeding system |
| CN104444292A (en) * | 2014-12-09 | 2015-03-25 | 河北金环包装有限公司 | Feeding and finishing system and process of aluminum and plastic caps |
| CN105600386A (en) * | 2016-01-05 | 2016-05-25 | 苏州大学 | Small-size shaft component sorting device |
| CN106182517A (en) * | 2016-07-19 | 2016-12-07 | 东毓(宁波)油压工业有限公司 | A kind of intelligence feeding stripper apparatus control system |
| CN206870627U (en) * | 2017-06-30 | 2018-01-12 | 北京隆庆智能激光装备有限公司 | A kind of brake disc automatic detection marking device |
| CN208963975U (en) * | 2018-08-21 | 2019-06-11 | 珠海市鑫茂源电子有限公司 | A kind of skeleton automatic feeding |
| CN109590734A (en) * | 2018-12-17 | 2019-04-09 | 苏州市全力自动化科技有限公司 | Full automatic car accessory spigot machine |
| CN109590759A (en) * | 2018-12-17 | 2019-04-09 | 苏州市全力自动化科技有限公司 | Full-automatic proportioning valve Skeleton assembly line |
| CN209532438U (en) * | 2019-01-23 | 2019-10-25 | 晋江市福普机械设备有限公司 | Automate mark assembly line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114919972B (en) | 2024-02-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107931632A (en) | A kind of cross axis faces full-automatic grinding lathe | |
| CN110963292B (en) | Automatic labeling equipment for batteries | |
| CN216881415U (en) | A beat roll-feeding automatic production numerical control punch for bar shaped plate blanking autoloading | |
| CN218619122U (en) | Automatic feeding and discharging device | |
| CN114919972A (en) | A loading attachment for truckle bottom plate | |
| CN211137415U (en) | Convertible flexible flat cable cutting equipment | |
| CN210594398U (en) | Feeding and discharging conveying device with adjustable track width | |
| CN210387143U (en) | Network nozzle connecting block processing device | |
| CN115744283A (en) | Automatic feeding and discharging device | |
| CN210653984U (en) | Automatic rigging machine of two-dimensional code | |
| CN214492019U (en) | Adopt gyro wheel to carry shuttle-type silk screen printing machine | |
| CN211565037U (en) | Semi-automatic clamping ring tool | |
| CN210848557U (en) | Feeding mechanism of automatic pipe cutting system | |
| CN111822611A (en) | Punching and folding composite forming machine for metal sheet | |
| CN209192957U (en) | Turnover box supplies machine automatically | |
| CN110562572A (en) | Automatic rigging machine of two-dimensional code | |
| CN215853786U (en) | Large-stroke double-cylinder plate conveying machine | |
| CN215158733U (en) | Feeding device for iron clamp in folder | |
| CN213386525U (en) | Conveying device | |
| CN220806198U (en) | Iron shell assembly workstation on automatic kludge of USB | |
| CN117864789B (en) | Centering oiling device and unstacking centering oiling unit | |
| CN213704626U (en) | Automatic feeding and discharging cold press | |
| CN216165605U (en) | Automatic line drawing machine for vamp processing | |
| CN218694904U (en) | Laser blanking mechanism | |
| CN210849667U (en) | Discharging mechanism of automatic pipe cutting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |